2.7.3
Connections with Separate Normal and Bypass AC Sources (2 Mains)
CAUTION:
This connection requires isolation Transformer Module. Please visit our web site
www.mgeops.com or call (800) 279-7776.
Figure 2-14: Normal AC and Bypass AC inputs, Output Cables Installation, and Simplified Connection Diagram.
NOTE:
Please visit our web site www.mgeops.com or call (800) 279-7776 for assistance
with separate, normal AC, and bypass AC input support.
NOTE:
With parallel redundance connection, two input transformers are needed for
separate, normal, and AC bypass input. Please visit our web site
www.mgeops.com for details.
4
Card Settings
RS232 Download
66074
UPS
data
Reset
100 10
1 2
ON
ETHERNET
IP
=
MAC=
0
0
E
0
D
8
FF
8
55E
1
3
Output
Bypass
Normal
OFF
O
OFF
O
OFF
O
To Load or
Transformer Module (if applicable)
2
L3
L1
MAINS 2
BYPASS AC
NORMAL AC
MAINS 1
LOAD
With separate Normal and Bypass AC inputs, supplied by separate sources.
Isolation
Transformer
(PN 86211)
EX 5/7/11 RT Systems
Installation
2 — 16
86-86000-00 B01
Proceed as follows:
1.
Remove the cover plate under the I/O Box. Loosen the terminal blocks
L1 and L3, and remove the jumper.
CAUTION:
Always connect the earth ground wire first.
2.
Install Normal AC, Bypass AC and output cables as shown.
3.
Reinstall the cover plate under the I/O Box with four screws.
4.
Secure the I/O Box to the Power Module with three screws.
See Section 2.7.2 for connecting EX RT Transformer module, if applicable.
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